Process for removing formaldehyde from aqueous solutions of but-2-yne-1,4-diol

US4319055A · kind A · utility

Assignee

• BASF SE

Inventors

• Walter Rebafka · Eppelheim, DE
• Gerd Heilen · Speyer, DE
• Werner Fliege

Key dates

• Filing date: Aug 1, 1980
• Grant date: Mar 9, 1982
• Expiry date: Aug 1, 2000

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C33/046
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for removing formaldehyde from aqueous solutions of but-2-yne-1,4-diol by treating the solutions with an alkaline agent at an elevated temperature in the presence of hydrogen peroxide.